[INFO] updating cached repository Paxa/waithook
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Paxa/waithook
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Paxa/waithook" "work/ex/beta-1.38-1/sources/1.37.0/gh/Paxa/waithook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Paxa/waithook'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Paxa/waithook" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63fee73ba5f07a0ac5a85e4bfe28fe86bcbea84d
[INFO] sha for GitHub repo Paxa/waithook: 63fee73ba5f07a0ac5a85e4bfe28fe86bcbea84d
[INFO] validating manifest of Paxa/waithook on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Paxa/waithook on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Paxa/waithook
[INFO] finished frobbing Paxa/waithook
[INFO] frobbed toml for Paxa/waithook written to work/ex/beta-1.38-1/sources/1.37.0/gh/Paxa/waithook/Cargo.toml
[INFO] started frobbing Paxa/waithook
[INFO] finished frobbing Paxa/waithook
[INFO] frobbed toml for Paxa/waithook written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook/Cargo.toml
[INFO] crate Paxa/waithook already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Paxa/waithook against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 61f30e3844513470a4dda07ef3e3d13457492a6dec7f7cfb68ace7a8bcfb2a20
[INFO] running `"docker" "start" "-a" "61f30e3844513470a4dda07ef3e3d13457492a6dec7f7cfb68ace7a8bcfb2a20"`
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling sentry v0.15.5
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling hyper v0.12.30
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling websocket v0.20.2 (https://github.com/paxa/rust-websocket.git#9f50cf15)
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling debugid v0.4.0
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling sentry-types v0.11.0
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling waithook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/waithook_utils.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut listeners = listeners_wrap.deref_mut();
[INFO] [stderr]     |                         ----^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 49s
[INFO] running `"docker" "inspect" "61f30e3844513470a4dda07ef3e3d13457492a6dec7f7cfb68ace7a8bcfb2a20"`
[INFO] running `"docker" "rm" "-f" "61f30e3844513470a4dda07ef3e3d13457492a6dec7f7cfb68ace7a8bcfb2a20"`
[INFO] [stdout] 61f30e3844513470a4dda07ef3e3d13457492a6dec7f7cfb68ace7a8bcfb2a20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 09c8e7cce8857e73e47b5e47c7f2986d7bf3ff05801b999e059b80cd7c509163
[INFO] running `"docker" "start" "-a" "09c8e7cce8857e73e47b5e47c7f2986d7bf3ff05801b999e059b80cd7c509163"`
[INFO] [stderr]    Compiling waithook v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/waithook_utils.rs:100:25
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     let mut listeners = listeners_wrap.deref_mut();
[INFO] [stderr]     |                         ----^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "09c8e7cce8857e73e47b5e47c7f2986d7bf3ff05801b999e059b80cd7c509163"`
[INFO] running `"docker" "rm" "-f" "09c8e7cce8857e73e47b5e47c7f2986d7bf3ff05801b999e059b80cd7c509163"`
[INFO] [stdout] 09c8e7cce8857e73e47b5e47c7f2986d7bf3ff05801b999e059b80cd7c509163
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Paxa/waithook:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cdd48bea17d2953ca2abe54bdee45ab8fc10675e16bd5733b554eba96f8e34bd
[INFO] running `"docker" "start" "-a" "cdd48bea17d2953ca2abe54bdee45ab8fc10675e16bd5733b554eba96f8e34bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/waithook-764748e93a0892d9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cdd48bea17d2953ca2abe54bdee45ab8fc10675e16bd5733b554eba96f8e34bd"`
[INFO] running `"docker" "rm" "-f" "cdd48bea17d2953ca2abe54bdee45ab8fc10675e16bd5733b554eba96f8e34bd"`
[INFO] [stdout] cdd48bea17d2953ca2abe54bdee45ab8fc10675e16bd5733b554eba96f8e34bd